<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <!-- 创建一个对象 表示学生的信息 （具体信息可以自定义，需求不限） -->

    <script>
      var obj = { name: "张三", weight: 100, height: 100, age: 20 };
      console.log(obj);
    </script>
  </body>
</html>
